522.5—Disapproval of a class II ordinance.
         No later than 90 days after a tribe submits an ordinance for approval under  § 522.2 of this part, the Chairman may disapprove an ordinance if he or she determines that a tribe failed to comply with the requirements of  § 522.2 or  § 522.4(b) of this part. The Chairman shall notify a tribe of its right to appeal under  part 524 of this chapter. A disapproval shall be effective immediately unless appealed under  part 524 of this chapter.